How to add friends in Zello Walkie Talkie app?

here is Zella walkie-talkie app so to add friends just go to contacts tab tap in top plus and then here you can either connect your address book you can scan QR code so you can just go and scan QR code you can also generate your own code or tap Plus in the top right search for xylem contact and then just search for username it's the same as you're creating so just here and then just tap add and then you will see in the top right that request sent uh you can also then see the QR code and then you can also report profile and then after you added contact you can pin it you can power it you can delete it then you can start walkie-talkie here